Boot sole



FIG. 1 is a persepctive view of the boot sole in accordance with thepresent invention;

FIG. 2 is a bottom view of the boot sole;

FIG. 3 is a top view of the boot sole;

FIG. 4 is a rear view of the boot sole;

FIG. 5 is a front view of the boot sole;

FIG. 6 is a side view from one side of the boot sole; and,

FIG. 7 is a side view from the other side of the boot sole.

The ornamental design for boot sole, as shown.